三维随机场 XY 模型的结构因子
无序系统与神经网络
2007-12-30 v2 统计力学
作者:
Ronald Fisch
摘要
我们在 L×L×L 简单立方晶格上对三维随机场 XY 模型进行了蒙特卡洛研究,随机场强度为 hr = 1 和 2。我们给出了 L=64 时的角度平均磁结构因子 S(k) 的结果。我们的结果似乎表明存在向铁磁态的相变。这一可能性源于 Griffiths 奇点的存在。在相变点,M2 似乎不连续地跃变至零,并伴随有一个可能是次广延的潜热。
引用
@article{arxiv.0709.4658,
title = {Structure Factor of the 3D Random Field XY Model},
author = {Ronald Fisch},
journal= {arXiv preprint arXiv:0709.4658},
year = {2007}
}
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12 pages, 3 figures
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